A wavelet transform boundary coefficient is one subject to circular filter
operations (or other boundary treatments). Conversely, the interior transform
coefficients are those that are not affected by the imposed boundary treatment.
function separates the boundary coefficients from the interior
wavelet transform coefficients.
a DWT or MODWT transform object with class
an object of class
D. B. Percival and A. T. Walden, Wavelet Methods for Time Series Analysis, Cambridge University Press, 2000.
I. Daubechies, Orthonormal Bases of Compactly Supported Wavelets, Communications on Pure and, Applied Mathematics, 41, 909–96.
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